Front-row planet carrier and clutch oil pressure testing device

Abstract

The utility model relates to the technical field of automobile gearboxes, in particular to a front-row planet carrier and clutch oil pressure testing device which comprises a bottom plate (1), and a supporting structure is arranged on the top of the bottom plate (1). The front-row planet carrier is connected with an oil pump, and the oil pump is arranged on the supporting structure and connected with a pressure gauge. The electromagnetic valve oil way plate can provide mounting positions for the oil pump and the electromagnetic valve, and enables the electromagnetic valve to be communicated with an oil way in the oil pump; the electromagnetic valve oil way plate can be matched with the fixed baffle to provide stable support and fixation for the oil pump, so that the oil pump is firmly mounted on the device; a pressure gauge connecting hole is formed in the fixed baffle, a pressure gauge is installed in the pressure gauge connecting hole, and the pressure gauge connecting hole is communicated with an inner oil way of the oil pump, so that the pressure gauge can detect oil pressure of circulating oil ways of the oil pump, the front-row planet carrier and the clutch.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile gearboxes, and in particular to a front planetary carrier and clutch oil pressure testing device. Background Art

[0002] Abnormal oil pressure alarms often occur in the EOL test of the automatic transmission assembly. When the whole box is repaired, it is found that the internal oil circuits of the front planetary carrier assembly and the clutch are not connected, which affects the basic oil pressure test results. The whole box needs to be disassembled and repaired, which takes a long time, consumes manpower, and increases production costs. The EOL test is a test on the off-line detector of the automobile production line.

[0003] After searching, the applicant found that the Chinese patent document with publication number CN207349416U disclosed an automatic transmission cooling oil pipe oil pressure detection device on May 11, 2018, which is used to detect the oil pressure flowing to the cooling oil pipe of the automatic transmission. The device includes a connector, a pressure sensor and a hollow bolt structure. The connector is installed at the upper end of the hollow bolt structure and is used to connect to an external transmission controller; the pressure sensor is built into the hollow bolt structure and connected to the connector, the lower end of the hollow bolt structure extends into the automatic transmission, and an opening is provided on the side wall of the hollow bolt structure, which is connected to the cooling oil pipe.

[0004] This device cannot realize rapid and accurate detection of the oil pressure of the internal oil circuit of the front planetary carrier assembly and the clutch. Utility Model Content

[0005] The utility model aims to provide a front planetary carrier and clutch oil pressure testing device which can realize rapid and accurate detection of the oil pressure of the internal oil circuit of the front planetary carrier assembly and the clutch.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is: a front planetary carrier and clutch oil pressure testing device, comprising a base plate, a supporting structure is provided on the top of the base plate; the front planetary carrier is connected to an oil pump, the oil pump is arranged on the supporting structure and is connected to a pressure gauge.

[0007] The supporting structure comprises a solenoid valve oil circuit board, the solenoid valve oil circuit board is connected to the base plate, and the oil pump is connected to the solenoid valve oil circuit board.

[0008] The bottom plate is provided with a through hole, the bottom of the solenoid valve oil circuit board is provided with a bottom plate threaded hole, and the bottom plate bolts arranged on the bottom plate pass through the through hole and are connected with the bottom plate threaded hole.

[0009] The sides of the solenoid valve oil circuit board are respectively provided with oil holes and fixed baffles; the oil pump is arranged between the solenoid valve oil circuit board and the fixed baffle; the oil pump is provided with an oil pump oil inlet hole connected with the oil hole.

[0010] A solenoid valve mounting block is provided on one side of the solenoid valve oil circuit board away from the fixed baffle, and a solenoid valve mounting hole is provided on the solenoid valve mounting block; the solenoid valve is arranged in the solenoid valve mounting hole and is communicated with the oil hole.

[0011] The fixed baffle is provided with a pressure gauge connecting hole and a connecting pipe, and the connecting pipe is communicated with the oil inlet hole of the oil pump and the pressure gauge connecting hole respectively; the pressure gauge is connected in the pressure gauge connecting hole.

[0012] A slide groove and a support plate are provided on the bottom plate, a block is provided at one end of the support plate, and the block is placed in the slide groove; a slot is provided at one end of the support plate away from the bottom plate, and a stopper is provided on one side of the slot; the clutch is placed in the slot and abuts against the stopper.

[0013] The fixed baffle is provided with a baffle mounting hole and a support tube; the baffle mounting hole is provided with a baffle bolt, and the baffle bolt is connected to the oil circuit board threaded hole provided on the solenoid valve oil circuit board; the support tube extends to one side of the fixed baffle along the edge of the baffle mounting hole and is sleeved on the baffle bolt.

[0014] A limiting column is provided at the top of the solenoid valve oil circuit. The limiting column is connected to a pressure plate via a limiting column bolt, and the pressure plate is pressed tightly against the outer wall of the solenoid valve.

[0015] The pressure gauge connection hole is provided with a thread and is threadedly connected to the pressure gauge; the pressure gauge is a YN60 type seismic-resistant pressure gauge; the solenoid valve oil circuit board is provided with an oil pump threaded hole, the oil pump is provided with an oil pump bolt, and the oil pump bolt is connected to the oil pump threaded hole.

[0016] The beneficial effects of this application are:

[0017] The supporting structure comprises a solenoid valve oil circuit board, a fixed baffle is provided on one side of the solenoid valve oil circuit board, and a solenoid valve mounting block is provided on the other side of the solenoid valve oil circuit board; the front planet carrier is connected to an oil pump, and the oil pump is installed between the solenoid valve oil circuit board and the fixed baffle; a solenoid valve is installed on the solenoid valve mounting block;

[0018] The solenoid valve oil circuit plate is provided with oil holes, which are respectively connected to the internal oil circuits of the solenoid valve and the oil pump; the fixed plate is provided with a pressure gauge connection hole, which is connected to the internal oil circuit of the oil pump, and the pressure gauge is connected to the pressure gauge connection hole; the internal oil circuits of the clutch and the front planetary carrier are respectively connected to the oil pump;

[0019] Put the assembled tooling into a transmission oil tank with a certain liquid level requirement, and the oil level is higher than the oil suction port of the solenoid valve; turn on the power supply, start the solenoid valve, and the transmission oil circulates in the oil circuit connected to the front planetary carrier, the clutch and the oil pump; the pressure gauge tests the internal oil pressure data of the circulating oil circuit. If there is leakage in the internal oil circuit of the front planetary carrier and the clutch, the oil pressure tested by the pressure gauge is lower than the target pressure; if the sealing of the internal oil circuit of the front planetary carrier and the clutch is good, the oil pressure tested by the pressure gauge can quickly rise to the target pressure; qualified parts tested by this device directly flow into the production line, and unqualified parts are returned for repair or scrapped.

[0020] The solenoid valve oil circuit board can provide an installation position for the oil pump and the solenoid valve, and enable the solenoid valve and the internal oil circuit of the oil pump to be connected; at the same time, the solenoid valve oil circuit board can cooperate with the fixed baffle to provide stable support and fixation for the oil pump, so that it can be firmly installed on the device; a pressure gauge connection hole is provided on the fixed baffle, and the pressure gauge is installed in the pressure gauge connection hole. The pressure gauge connection hole is connected with the internal oil circuit of the oil pump, so that the pressure gauge can realize the oil pressure detection work of the circulating oil circuit of the oil pump, the front planetary carrier and the clutch;

[0021] The front planetary carrier and clutch oil pressure test device is installed on the production line without frequent disassembly and assembly. The oil pressure test process of the internal oil circuit of the front planetary carrier and clutch takes about 30 seconds. The detection operation is simple and fast, which can ensure the accuracy of the test results. While improving the product yield, it also greatly improves the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The specific implementation of the utility model is further described in detail below in conjunction with the accompanying drawings, wherein:

[0023] Figure 1 This is a structural schematic diagram of the front planetary carrier and clutch oil pressure testing device.

[0024] Figure 2 This is a schematic diagram of the bottom structure of the front planetary carrier and clutch oil pressure testing device.

[0025] Figure 3 This is a structural schematic diagram of the solenoid valve oil circuit board of the front planetary carrier and clutch oil pressure testing device.

[0026] Figure 4 This is a schematic diagram of the structure of the fixed baffle of the front planetary carrier and clutch oil pressure testing device.

[0027] Figure 5 This is a schematic diagram of the structure of the base plate of the front planetary carrier and clutch oil pressure testing device.

[0028] Figure 6 This is a structural schematic diagram of the support plate of the front planetary carrier and clutch oil pressure testing device.

[0029] Figure 7 This is a schematic diagram of the working status of the front planetary carrier and clutch oil pressure testing device.

[0030] The marks in the above figure are:

[0031] The markings in the figure are:

[0032] 1. Bottom plate, 101. Through hole, 102. Slide groove,

[0033] 2. Solenoid valve oil circuit board, 201. Solenoid valve mounting hole, 202. Oil hole, 203. Oil pump threaded hole, 204. Oil circuit board threaded hole, 205. Limit column, 206. Bottom plate threaded hole, 207. Solenoid valve mounting block,

[0034] 3. Oil pump bolts,

[0035] 4. Support plate, 401. Card slot, 402. Stopper, 403. Card block,

[0036] 5. Fixed baffle, 501. Pressure gauge connection hole, 502. Baffle mounting hole, 503. Support pipe, 504. Connecting pipe,

[0037] 6. Baffle bolts,

[0038] 7. Limit column bolt, 701, pressure plate,

[0039] 8. Bottom plate bolts,

[0040] 9. Oil pump,

[0041] 10. Clutch,

[0042] 11. Solenoid valve,

[0043] 12. Front planetary carrier. DETAILED DESCRIPTION

[0044] The following is a further detailed explanation of the specific implementation methods of the utility model through the description of the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the utility model and facilitating its implementation.

[0045] Figure 1 The front planetary carrier and clutch oil pressure testing device shown includes a base plate 1, and a supporting structure is provided on the top of the base plate 1; the front planetary carrier 12 is connected to an oil pump 9, and the oil pump 9 is arranged on the supporting structure and connected to a pressure gauge.

[0046] The supporting structure can provide an installation position for the oil pump 9 and the solenoid valve 11, and connect the internal oil circuits of the solenoid valve 11 and the oil pump 9; the supporting structure can provide stable support and fixation for the oil pump 9, so that it can be firmly installed on the device; the pressure gauge is connected to the internal oil circuit of the oil pump 9, so that the pressure gauge can realize the oil pressure detection work of the circulating oil circuit of the oil pump 9, the front planetary carrier 12 and the clutch 10.

[0047] The supporting structure includes a solenoid valve oil circuit board 2, which is connected to the bottom plate 1, and an oil pump 9 is connected to the solenoid valve oil circuit board 2. The solenoid valve oil circuit board 2 is arranged at the end of the bottom plate 1 and is fixedly connected to the bottom plate 1; the oil pump 9 is connected to the side of the solenoid valve oil circuit board 2; the solenoid valve oil circuit board 2 provides an installation position for the oil pump 9, and connects the solenoid valve 11 with the internal oil circuit of the oil pump 9; the solenoid valve oil circuit board 2 provides stable support and fixation for the oil pump 9, effectively preventing the oil pump 9 and the front planetary carrier 12 from falling off and being damaged from the device during testing.

[0048] The bottom plate 1 is provided with a through hole 101, the bottom of the solenoid valve oil circuit board 2 is provided with a bottom plate threaded hole 206, and the bottom plate bolt 8 provided on the bottom plate 1 passes through the through hole 101 and is connected with the bottom plate threaded hole 206. The bottom plate bolt 8 fixes the solenoid valve oil circuit board 2 and the bottom plate 1; the bottom plate bolt 8 and the bottom plate threaded hole 206 are threadedly connected, and the connection between the two is simple and stable, can withstand a large load, and is convenient for disassembly and replacement.

[0049] The sides of the solenoid valve oil circuit board 2 are provided with oil holes 202 and fixed baffles 5 respectively; the oil pump 9 is provided between the solenoid valve oil circuit board 2 and the fixed baffles 5; the oil pump 9 is provided with an oil pump oil inlet hole connected with the oil hole 202. The oil hole 202 is connected with the oil pump oil inlet hole, which can ensure that the internal oil circuits of the solenoid valve 11 and the oil pump 9 are connected, so that the oil in the gearbox oil tank can enter the oil pump 9 through the solenoid valve 11; the fixed baffles 5 can further fix the oil pump 9, so that the connection of the oil pump 9 on the solenoid valve oil circuit board 2 is more firm and stable.

[0050] A solenoid valve mounting block 207 is provided on the side of the solenoid valve oil circuit board 2 away from the fixed baffle 5, and a solenoid valve mounting hole 201 is provided on the solenoid valve mounting block 207; the solenoid valve 11 is provided in the solenoid valve mounting hole 201 and communicated with the oil hole 202. The solenoid valve mounting block 207 is a square block; the solenoid valve mounting hole 201 is a through hole and is provided on the side of the solenoid valve mounting block 207; the solenoid valve mounting hole 201 is communicated with the oil hole 202; the solenoid valve 11 is installed in the solenoid valve mounting hole 201, and the internal oil circuit of the solenoid valve 11 is communicated with the oil hole 202.

[0051] The fixed baffle 5 is provided with a pressure gauge connection hole 501 and a connection pipe 504, and the connection pipe 504 is respectively connected with the oil inlet hole of the oil pump 9 and the pressure gauge connection hole 501; the pressure gauge is connected to the pressure gauge connection hole 501. The connection pipe 504 is a hollow boss structure; the connection pipe 504 is sealed and connected with the oil inlet hole of the oil pump 9; the connection pipe 504 can ensure that the pressure gauge is connected with the internal oil circuit of the oil pump 9, thereby realizing the oil pressure detection work of the circulating oil circuit.

[0052] The bottom plate 1 is provided with a slide groove 102 and a support plate 4, one end of the support plate 4 is provided with a clamping block 403, and the clamping block 403 is placed in the slide groove 102; the end of the support plate 4 away from the bottom plate 1 is provided with a clamping groove 401, and a stopper 402 is provided on one side of the clamping groove 401; the clutch 10 is placed in the clamping groove 401 and abuts against the stopper 402. The clamping block 403 is installed in the slide groove 102, so that the support plate 4 can slide along the slide groove 102, and the position can be flexibly adjusted, so that the support plate 4 can support the clutch 10 more stably; the clamping groove 401 is an L-shaped structure, which is provided at the end of the support plate 4, and the clutch 10 is clamped in the clamping groove 401; the stopper 402 limits the side wall of the clutch 10, so as to avoid the axial displacement of the clutch 10.

[0053] The fixed baffle plate 5 is provided with a baffle plate mounting hole 502 and a support tube 503; a baffle plate bolt 6 is provided in the baffle plate mounting hole 502, and the baffle plate bolt 6 is connected to the oil circuit board threaded hole 204 provided on the solenoid valve oil circuit board 2; the support tube 503 extends to one side of the fixed baffle plate 5 along the edge of the baffle plate mounting hole 502, and is sleeved on the baffle plate bolt 6. The baffle plate bolt 6 presses the support tube 503 onto the solenoid valve oil circuit board 2; the baffle plate bolt 6 passes through the baffle plate mounting hole 502 and the support tube 503 and is connected to the oil circuit board threaded hole 204, thereby realizing the stable connection of the fixed baffle plate 5 to the solenoid valve oil circuit board 2; the baffle plate bolt 6 and the oil circuit board threaded hole 204 are threadedly connected, and the connection structure of the two is simple and stable, can withstand a large load, and is convenient for disassembly and replacement.

[0054] A limit column 205 is provided at the top of the solenoid valve oil circuit 2, and the limit column 205 is connected to a pressure plate 701 through a limit column bolt 7, and the pressure plate 701 is pressed against the outer wall of the solenoid valve 11. One end of the pressure plate 701 is an arc-shaped structure, which can fit the outer wall contour of the solenoid valve 11, and can effectively fix the solenoid valve 11, so that it is stably connected to the solenoid valve mounting hole 201, and effectively prevent the solenoid valve 11 from shaking or falling off during work, affecting the normal progress of the test work.

[0055] The pressure gauge connection hole 501 is provided with a thread and is threadedly connected to the pressure gauge; the pressure gauge is a YN60 type earthquake-resistant pressure gauge; the solenoid valve oil circuit board 2 is provided with an oil pump threaded hole 203, and the oil pump 9 is provided with an oil pump bolt 3, which is connected to the oil pump threaded hole 203. The pressure gauge and the pressure gauge connection hole 501 are threadedly connected, and the connection between the two is stable and convenient for installation and disassembly; the YN60 type earthquake-resistant pressure gauge can ensure the accuracy of the measured oil pressure in a working environment with strong vibration; the oil pump bolt 3 is connected to the oil pump threaded hole 203, and the oil pump 9 can be stably installed on the solenoid valve oil circuit board 2; the oil pump bolt 3 and the oil pump threaded hole 203 are threadedly connected, and the connection structure between the two is simple and stable, and convenient for installation and disassembly.

[0056] The specific working process of the utility model is as follows:

[0057] Install the solenoid valve 11 and the oil pump 9 on the solenoid valve oil circuit board 2 respectively; adjust the position of the support plate 4 and clamp the clutch 10 in the clamping groove 401; install the fixed baffle 5 on the solenoid valve oil circuit board 2; install the pressure gauge in the pressure gauge connecting hole 501 on the fixed baffle 5;

[0058] Put the assembled tooling into a transmission oil tank with a certain liquid level requirement, and the oil level is higher than the oil suction port of the solenoid valve 11; turn on the power supply, start the solenoid valve 11, and the transmission oil circulates in the oil circuit connected to the front planetary carrier 12, the clutch 10 and the oil pump 9; the pressure gauge tests the internal oil pressure data of the circulating oil circuit. If there is leakage in the internal oil circuit of the front planetary carrier 12 and the clutch 10, the pressure gauge tests the oil pressure lower than the target pressure; if the sealing of the internal oil circuit of the front planetary carrier 12 and the clutch 10 is good, the pressure gauge tests the oil pressure can quickly rise to the target pressure; qualified parts tested by this device directly flow into the production line, and unqualified parts are returned for repair or scrapped.

[0059] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A front planetary carrier and clutch oil pressure testing device, characterized in that: It comprises a base plate (1), the top of which is provided with a support structure; the front planetary carrier (12) is connected to an oil pump (9); the oil pump (9) is arranged on the support structure and is connected to a pressure gauge; The supporting structure comprises a solenoid valve oil circuit board (2), the solenoid valve oil circuit board (2) is connected to the base plate (1), and the oil pump (9) is connected to the solenoid valve oil circuit board (2); The base plate (1) is provided with a through hole (101), the bottom of the solenoid valve oil circuit board (2) is provided with a base plate threaded hole (206), and a base plate bolt (8) provided on the base plate (1) passes through the through hole (101) and is connected to the base plate threaded hole (206); The side surfaces of the solenoid valve oil circuit board (2) are respectively provided with an oil hole (202) and a fixed baffle (5); the oil pump (9) is arranged between the solenoid valve oil circuit board (2) and the fixed baffle (5); the oil pump (9) is provided with an oil pump oil inlet hole connected to the oil hole (202); A solenoid valve mounting block (207) is provided on a side of the solenoid valve oil circuit board (2) away from the fixed baffle (5), and a solenoid valve mounting hole (201) is provided on the solenoid valve mounting block (207); the solenoid valve (11) is arranged in the solenoid valve mounting hole (201) and is in communication with the oil hole (202); The fixed baffle (5) is provided with a pressure gauge connection hole (501) and a connection pipe (504); the connection pipe (504) is respectively connected to the oil inlet hole of the oil pump (9) and the pressure gauge connection hole (501); the pressure gauge is connected to the pressure gauge connection hole (501).

2. A front planetary carrier and clutch oil pressure testing device according to claim 1, characterized in that: The bottom plate (1) is provided with a slide groove (102) and a support plate (4); one end of the support plate (4) is provided with a clamping block (403), and the clamping block (403) is placed in the slide groove (102); one end of the support plate (4) away from the bottom plate (1) is provided with a clamping groove (401), and a stopper (402) is provided on one side of the clamping groove (401); the clutch (10) is placed in the clamping groove (401) and abuts against the stopper (402).

3. A front planetary carrier and clutch oil pressure testing device according to claim 2, characterized in that: The fixed baffle (5) is provided with a baffle mounting hole (502) and a support tube (503); a baffle bolt (6) is provided in the baffle mounting hole (502), and the baffle bolt (6) is connected to an oil circuit board threaded hole (204) provided on the solenoid valve oil circuit board (2); the support tube (503) extends along the edge of the baffle mounting hole (502) toward one side of the fixed baffle (5) and is sleeved on the baffle bolt (6).

4. A front planetary carrier and clutch oil pressure testing device according to claim 3, characterized in that: A limiting column (205) is provided on the top of the solenoid valve oil circuit board (2), and the limiting column (205) is connected to a pressure plate (701) via a limiting column bolt (7), and the pressure plate (701) is pressed tightly against the outer wall of the solenoid valve (11).

5. A front planetary carrier and clutch oil pressure testing device according to claim 4, characterized in that: The pressure gauge connection hole (501) is provided with a thread and is threadedly connected to the pressure gauge; the pressure gauge is a YN60 type earthquake-resistant pressure gauge; the solenoid valve oil circuit board (2) is provided with an oil pump threaded hole (203), the oil pump (9) is provided with an oil pump bolt (3), and the oil pump bolt (3) is connected to the oil pump threaded hole (203).

Images